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  1. 16 Δεκ 2002 · Uracil in DNA results from deamination of cytosine, resulting in mutagenic U : G mispairs, and misincorporation of dUMP, which gives a less harmful U : A pair. At least four different human...

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  2. 10 Αυγ 2020 · Uracil may arise in DNA as a result of spontaneous cytosine deamination and/or misincorporation of dUMP during DNA replication. In this paper we will review: (i) sources of the origin of uracil in DNA; (ii) some properties of the enzymes responsible for the excision of uracil and their role in the I ….

  3. High dUTP results in an elevated rate of uracil incorporation into DNA by DNA polymerase. Uracil is excised under action of BER. Excessive excision and repair of uracil leads to chromosomal fragmentation and cell death.

  4. Overview of factors that influence uracil accumulation in DNA. The presence of uracil in DNA results from spontaneous chemical deamination of cytosine, or enzymatic and metabolic processes governed by the expression, localization, and activity of several enzymes that ether catalyze cytosine deamination or generate biosynthetic intermediates in ...

  5. 1 Ιαν 2003 · Uracil in DNA results from deamination of cytosine, resulting in mutagenic U : G mispairs, and misincorporation of dUMP, which gives a less harmful U : A pair. At least four different human...

  6. 1 Δεκ 2010 · Uracil existing in DNA may arise as a result of spontaneous deamination of cytosine (leading to U:G mispairing) or from incorporation of dUMP during replication in place of dTMP leading to U:A pairing.

  7. This review addresses diseases that are linked to uracil accumulation in DNA, its causes, consequences, and the associated biomarkers of risk factors. Recent findings: Elevated genomic uracil is associated with megaloblastic anemia, neural tube defects, and retroviral immunity.

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